The reason for the shaking of the inverter for the motor - Delta

1. Harmonic problems The equipment that plays the role of switching in the main circuit of the inverter must generate harmonics in the process of turning on and off the circuit. The lower harmonics generally have a greater impact on the motor load and cause torque ripple; The higher harmonics increase the leakage current of the inverter's output cable, making ...

Abnormal alarm indication Abnormal alarm title Abnormal alarm action content Sweeping method Indicate DO servo status Switch AL111 DMCNET Packet Receive Overfill Rx Buffer Overfill (more than two DMCNET packets received within 1 millisecond) ALM ON AL185 DMCNET Bus Hardware ...

Delta inverters still have a certain influence in the industry, but even if the reputation is good, it will inevitably show some failures. Let's take a look. ...

Delta's VFD-C200 series inverters adopt the design concept of ultra-miniature structure: small size, compact structure, reliable performance, and optimal heat dissipation design, which is convenient for users to install and debug. Taking into account the possibilities of the industrial production environment, this inverter is made of special materials and complies with the requirements of the IEC...

1. Delta's PLC power on running light does not light up, and the ERROR flashes, the reason may be: no program 2. Delta's PLC cannot communicate with the computer, which may be: RS23 port is broken 3. Delta's PLC power light does not light up: The power supply is bad ...

1. Control the starting current of the motor: when the motor is directly started through the I frequency, it will generate 7 to 8 times the rated current of the motor, and this current value will greatly increase the electrical stress of the motor winding and generate heat, thereby reducing the life of the motor. The acid frequency speed regulation can be started at zero speed and zero voltage (can also be ...

The inspection personnel should record the operation status, voltage and current values of the UPS every day, and deal with the problems in a timely manner. Check whether the traffic lights are working properly; Keep the outside of the battery clean; Check the operating status of the battery pack ...

1. Dealing with harmonic problems The treatment of harmonic problems is to block the propagation path of the disturbance and press the higher harmonics on the source of the disturbance. Interception of the transmission of disturbances can be carried out in the following ways: 1) Intercept the common grounding wire, propagation and disturbance path, the grounding of the power line and the grounding of the control line ...

After the inverter is installed, disconnect the output of the inverter, use the diode file of the digital meter to measure the input and output of the inverter before the power is not turned on, ensure that there is no short circuit, and then turn on the working power supply of the inverter.

Delta's A2 series servo system is one of the more common and used servers on the market today, and the following describes the fault details of the azimuth controller in the repair of Delta's A2 servo drive and the corresponding repair methods Delta ...

With the increasing demand for system switching power supply by computer technology, Delta UPS uninterruptible power supply R-2K series products have been paid more and more attention, and gradually developed into a kind of electrical engineering with the effects of voltage stabilizer tube, frequency stabilization, filtration, anti-electromagnetic and frequency emission influence, anti-operation voltage swimming, etc.

One is hardware, similar to the CPU reset circuit, which gives the downtube a short high-level drive pulse during the initial power-up, and then the voltage drops to 0 to cut off the downtube. The second is the software, when the CPU is operating normally, it outputs a square wave pulse that only needs to be turned on by the lower three tubes, so that the upper tube ...

Question 1. Why use a VFD to control the motor? Speaking of this question, let's first take a brief look at these two devices. The motor is a rational load, which hinders the change of current, and a large change in current will occur when it is started. VFD, which is actually made up of a rectifier inverter circuit, ...

Delta's thermostats are only available in the DTE series (variety 1.5 and above) with the "slope control" function. Illustrate the following examples: For example: PV=20°C, SV=100°C, slope 10.0°C/min Then (100 – 20)/10.0 ...

As factories move from automation to intelligence, the requirements for equipment performance and scalability are progressing day by day. In response to the rapid development of electronic engineering, transportation and mechanical engineering and other occupations, in order to quickly manufacture related product parts and components, metal coil winding technology is also being carried out at a high speed.

1. Use a vacuum cleaner with a plastic nozzle to completely clean the inside and outside of the inverter cabinet to ensure that there is no excessive dust around the equipment. 2. Check the ventilation and lighting of the inverter room, and the ventilation equipment can work normally. 3. Check the inverter ...

Daily inspection item 1 of Delta's inverter problem repair: Check whether there is any abnormal change in the sound of the motor during operation, including whether oscillation occurs during the operation of the motor. Delta's daily inspection of inverter problem repair ...

Excellent open-loop speed control without slip compensation There is high torque at low degree, so there is no need to supply too much torque to enhance c. Lower loss, higher power Higher power echoes – especially for stepped loads Big...

Analyze and correct the cause of Delta servo drive alarms. 　　Control current and undervoltage protection. Alert Number: 11. Reason: The voltage at the end of the dynamic DC bus is lower than the specified value. Due to the instantaneous shortage of power supply capacity, the control voltage is too low. Measure: Measure the DC bus ...

1. Precautions for choosing a communication motor driver When using a large-capacity current transformer (more than 600kVA) and a phase-entering capacitor, the surge current on the input side of the power supply is too large, which may destroy the input side of the communication motor driver.